Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006
3
Subject to modifications resulting from technical improvements!
Buderus • http://www.buderus-domestic.co.uk
Contents
1
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.2
Dimensions, connections and assembly . . . . . . . . 9
1.3
Items supplied with unit . . . . . . . . . . . . . . . . . . . . 10
1.4
Hanging the boiler . . . . . . . . . . . . . . . . . . . . . . . . 10
1.5
Water circulation system . . . . . . . . . . . . . . . . . . . 11
1.6
Pipe connections . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.7
Flue Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 15
1.8
Electrical connections. . . . . . . . . . . . . . . . . . . . . . 21
1.9
DBA wiring diagram . . . . . . . . . . . . . . . . . . . . . . . 21
1.10
Electrical wiring diagram. . . . . . . . . . . . . . . . . . . . 22
1.11
System examples . . . . . . . . . . . . . . . . . . . . . . . . . 27
2
Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . . 30
2.1
Preparing the boiler for operation . . . . . . . . . . . . . 30
3
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
3.1
General directions . . . . . . . . . . . . . . . . . . . . . . . . 40
3.2
Preparing the boiler for inspection . . . . . . . . . . . . 40
4
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
4.1
Cleaning the heat exchanger and burner . . . . . . . 41
4.2
Cleaning the condensate trap and syphon . . . . . . 42
5
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
5.1
Fault codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
5.2
Residual pump lift . . . . . . . . . . . . . . . . . . . . . . . . . 44
5.3
Spare parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
6
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
G. C. Aplliance No. :
Buderus 500-24/S
41-110-24
Other manuals available for this boiler are:
–
user manual;
–
service instructions;
–
wall spacing frame instructions.
Preface
These Installation and maintenance instructions apply to:
Buderus wall-mounted condensing gas system
boilers 500 - 24/S.
Model:
C
13(x)
, C
33(x)
, C
53(x)
, C
73(x)
Type: GB/IE II
2H3P
20 mbar, 37 mbar
In this document: NG = 2H-G20-20 mbar
LPG = 3P-G31-37 mbar
Power rating:
230 VAC, 50 Hz, IP X4D
Fuse rating:
2.5 Ampere slow blow sand filled
The boiler unit consists of the following components:
– 500
Gas condensing boiler
– 24
Maximum output is 24 kW
– S
System boiler.
Important general instructions for use
Only use the boiler in accordance with its designated use and
the installation and maintenance instructions. Installation,
maintenance and repair must be carried out by competent
service engineers (e.g. CORGI registered). Only use the boiler
in conjunction with the accessories and spare parts indicated
in the installation and maintenance instructions. Other
accessories and consumables may only be used if they are
expressly provided for the designated use and if system
performance and safety are not affected in any way.
The boiler is suitable for connection to fully pumped, sealed
water systems ONLY. Adequate arrangements for completely
draining the system by provision of draining valves must be
provided in the installation pipework.
Pipework from the boiler is routed downwards as standard, but
may be routed upwards behind the boiler using the wall
spacing frame.
Subject to technical modifications.
As a result of our policy of constant development, there may be
small differences between illustrations, functional steps and
technical data.
BENCHMARK' Log Book
All Buderus gas fired boilers now include an installation,
commissioning and service record log book.
The details of the log book will be required in the event of any
warranty work being requested.
Please complete the appropriate sections on completion of the
installation and commissioning.
REMEMBER
: Please hand the log book back to the user.
